The twist in the breakup murder trial. The judge in the jodi arias case abruptly dismissing a juror on tuesday for misconduct and denied motions for a mistrial. The move has shaken up the courtroom after three months of testimony. Dan abrams and nancy grace weigh in live in just a moment. First abc's ryan owens has the very latest. Reporter: One of the chairs in this jury box will sit empty this morning. Juror number 5 has been excused. Reporter: The judge dismissed juror number 5, one of only a few women on the jury after arias' defense team filed this motion accusing her of misconduct that affected more than one juror. The court will not disclose what the jury did or said but there are still 17 people who could decide arias' fate. She had serious concerns. Reporter: On monday the remaining jurors heard more from alice LaViolette. She echoes arias' defense in this case that she was a battered woman who was forced to kill her ex-boyfriend travis alexander. Arias never reported any abuse, but her defense expert told the jury opening her diary offers plenty of clues. What is the context of the subject matter of this entry? A lot of self-blame that she's contemplating suicide. Reporter: Laviolette spent much of tuesday trashing the victim she never met. She is able to lead a life of deception and some reconcile that with his own faith. Reporter: Abc news obtained more than 600 pages of jodi arias' diary. She writes about trying to move beyond her ex. A year before she admits she shot and repeatedly stabbed him. I love him, I could not possibly love him not, though I wish i could stop. Turn it off like a light switch. Duct tape it down so itan't turn back on or better yet, just cut the circuit. Cut off its life source. Make it dead in a second. Lifeless. Prosecutors say that's exactly what she ended up doing. Murdering alexander in a jealous rage, a crime, he believes she should pay for with her life. For "good morning america," ryan ow abc news, phoenix.

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Jodi Arias Trial: Dismissed Juror Was in Tears

After three months of testimony, the judge abruptly dismissed a juror for misconduct.